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Vault sync: 2021-11-06 15:57:11

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Nick Leeman
2021-11-06 15:57:11 +01:00
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School/Analyse/IPV4.md
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@@ -11,4 +11,14 @@ The header has a 20 byte fixed part an a variable length optional part.
![[IP-packet.png]]
Some of the fields in a packet are not always used.
Some of the fields in a packet are not always used.
## Packet encapsulation
Packets are encapsulated in data link frames (Ethernet)
![[packet-enscapsulation-2.png]]
## Fragmentation
Mostly, data link frames are smaller in size than IP Packets
In these cases the packet is split up into multiple parts (fragments) and each fragment is send in a separate frame.